GPT-5.4 Pro vs OpenAI o4 Mini High
Compare GPT-5.4 Pro and OpenAI o4 Mini High, both from OpenAI, context windows of 1.1M vs 200K, tested across 18 shared challenges.
Our Verdict
GPT-5.4 Pro
OpenAI o4 Mini HighRunner-up
No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, newer, bigger context window.
OpenAI o4 Mini High is 41x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-5.4 Pro
Input
$30.00
Output
$180.00
OpenAI o4 Mini High
Input
$1.10
27× cheaper
Output
$4.40
41× cheaper
OpenAI o4 Mini High is cheaper on both — 27× input, 41× output
Writing DNA
Style Comparison
Similarity
31%
GPT-5.4 Pro uses 745.3x more bold
GPT-5.4 Pro
OpenAI o4 Mini High
50%Vocabulary70%
35wSentence Length18w
0.70Hedging0.33
7.5Bold0.0
8.3Lists1.3
0.00Emoji0.02
2.52Headings0.00
0.01Transitions0.04
Based on 12 + 14 text responses
Research
What we learned reading every model
FAQ
